/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. Copyright 2014 Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include <math.h> #include "alloc-util.h" #include "json.h" #include "string-util.h" #include "util.h" static void test_one(const char *data, ...) { void *state = NULL; va_list ap; va_start(ap, data); for (;;) { _cleanup_free_ char *str = NULL; union json_value v = {}; int t, tt; t = json_tokenize(&data, &str, &v, &state, NULL); tt = va_arg(ap, int); assert_se(t == tt); if (t == JSON_END || t < 0) break; else if (t == JSON_STRING) { const char *nn; nn = va_arg(ap, const char *); assert_se(streq_ptr(nn, str)); } else if (t == JSON_REAL) { double d; d = va_arg(ap, double); assert_se(fabs(d - v.real) < 0.001); } else if (t == JSON_INTEGER) { intmax_t i; i = va_arg(ap, intmax_t); assert_se(i == v.integer); } else if (t == JSON_BOOLEAN) { bool b; b = va_arg(ap, int); assert_se(b == v.boolean); } } va_end(ap); } typedef void (*Test)(JsonVariant *); static void test_file(const char *data, Test test) { _cleanup_json_variant_unref_ JsonVariant *v = NULL; int r; r = json_parse(data, &v); assert_se(r == 0); assert_se(v != NULL); assert_se(v->type == JSON_VARIANT_OBJECT); if (test) test(v); } static void test_1(JsonVariant *v) { JsonVariant *p, *q; unsigned i; /* 3 keys + 3 values */ assert_se(v->size == 6); /* has k */ p = json_variant_value(v, "k"); assert_se(p && p->type == JSON_VARIANT_STRING); /* k equals v */ assert_se(streq(json_variant_string(p), "v")); /* has foo */ p = json_variant_value(v, "foo"); assert_se(p && p->type == JSON_VARIANT_ARRAY && p->size == 3); /* check foo[0] = 1, foo[1] = 2, foo[2] = 3 */ for (i = 0; i < 3; ++i) { q = json_variant_element(p, i); assert_se(q && q->type == JSON_VARIANT_INTEGER && json_variant_integer(q) == (i+1)); } /* has bar */ p = json_variant_value(v, "bar"); assert_se(p && p->type == JSON_VARIANT_OBJECT && p->size == 2); /* zap is null */ q = json_variant_value(p, "zap"); assert_se(q && q->type == JSON_VARIANT_NULL); } static void test_2(JsonVariant *v) { JsonVariant *p, *q; /* 2 keys + 2 values */ assert_se(v->size == 4); /* has mutant */ p = json_variant_value(v, "mutant"); assert_se(p && p->type == JSON_VARIANT_ARRAY && p->size == 4); /* mutant[0] == 1 */ q = json_variant_element(p, 0); assert_se(q && q->type == JSON_VARIANT_INTEGER && json_variant_integer(q) == 1); /* mutant[1] == null */ q = json_variant_element(p, 1); assert_se(q && q->type == JSON_VARIANT_NULL); /* mutant[2] == "1" */ q = json_variant_element(p, 2); assert_se(q && q->type == JSON_VARIANT_STRING && streq(json_variant_string(q), "1")); /* mutant[3] == JSON_VARIANT_OBJECT */ q = json_variant_element(p, 3); assert_se(q && q->type == JSON_VARIANT_OBJECT && q->size == 2); /* has 1 */ p = json_variant_value(q, "1"); assert_se(p && p->type == JSON_VARIANT_ARRAY && p->size == 2); /* "1"[0] == 1 */ q = json_variant_element(p, 0); assert_se(q && q->type == JSON_VARIANT_INTEGER && json_variant_integer(q) == 1); /* "1"[1] == "1" */ q = json_variant_element(p, 1); assert_se(q && q->type == JSON_VARIANT_STRING && streq(json_variant_string(q), "1")); /* has blah */ p = json_variant_value(v, "blah"); assert_se(p && p->type == JSON_VARIANT_REAL && fabs(json_variant_real(p) - 1.27) < 0.001); } int main(int argc, char *argv[]) { test_one("x", -EINVAL); test_one("", JSON_END); test_one(" ", JSON_END); test_one("0", JSON_INTEGER, (intmax_t) 0, JSON_END); test_one("1234", JSON_INTEGER, (intmax_t) 1234, JSON_END); test_one("3.141", JSON_REAL, 3.141, JSON_END); test_one("0.0", JSON_REAL, 0.0, JSON_END); test_one("7e3", JSON_REAL, 7e3, JSON_END); test_one("-7e-3", JSON_REAL, -7e-3, JSON_END); test_one("true", JSON_BOOLEAN, true, JSON_END); test_one("false", JSON_BOOLEAN, false, JSON_END); test_one("null", JSON_NULL, JSON_END); test_one("{}", JSON_OBJECT_OPEN, JSON_OBJECT_CLOSE, JSON_END); test_one("\t {\n} \n", JSON_OBJECT_OPEN, JSON_OBJECT_CLOSE, JSON_END); test_one("[]", JSON_ARRAY_OPEN, JSON_ARRAY_CLOSE, JSON_END); test_one("\t [] \n\n", JSON_ARRAY_OPEN, JSON_ARRAY_CLOSE, JSON_END); test_one("\"\"", JSON_STRING, "", JSON_END); test_one("\"foo\"", JSON_STRING, "foo", JSON_END); test_one("\"foo\\nfoo\"", JSON_STRING, "foo\nfoo", JSON_END); test_one("{\"foo\" : \"bar\"}", JSON_OBJECT_OPEN, JSON_STRING, "foo", JSON_COLON, JSON_STRING, "bar", JSON_OBJECT_CLOSE, JSON_END); test_one("{\"foo\" : [true, false]}", JSON_OBJECT_OPEN, JSON_STRING, "foo", JSON_COLON, JSON_ARRAY_OPEN, JSON_BOOLEAN, true, JSON_COMMA, JSON_BOOLEAN, false, JSON_ARRAY_CLOSE, JSON_OBJECT_CLOSE, JSON_END); test_one("\"\xef\xbf\xbd\"", JSON_STRING, "\xef\xbf\xbd", JSON_END); test_one("\"\\ufffd\"", JSON_STRING, "\xef\xbf\xbd", JSON_END); test_one("\"\\uf\"", -EINVAL); test_one("\"\\ud800a\"", -EINVAL); test_one("\"\\udc00\\udc00\"", -EINVAL); test_one("\"\\ud801\\udc37\"", JSON_STRING, "\xf0\x90\x90\xb7", JSON_END); test_one("[1, 2]", JSON_ARRAY_OPEN, JSON_INTEGER, (intmax_t) 1, JSON_COMMA, JSON_INTEGER, (intmax_t) 2, JSON_ARRAY_CLOSE, JSON_END); test_file("{\"k\": \"v\", \"foo\": [1, 2, 3], \"bar\": {\"zap\": null}}", test_1); test_file("{\"mutant\": [1, null, \"1\", {\"1\": [1, \"1\"]}], \"blah\": 1.27}", test_2); return 0; }